Calzaghe on points. Canelo simply not busy enough and Joe's flurries of 5-6 punches are going to be a lot harder to slip than the single shots from the slowpokes that Canelo is used to fighting. Granted zaggers will do nothing to Canelo's armoured chin, but he will outwork him by a huge margin.
No, he is levels above Saunders and Saunders was giving him many problems until Canelo timed him with that uppercut